Sewing machine casing



FIG. 1 is a front, top and left side perspective view of a sewingmachine casing showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view; and

FIG. 4 is a rear elevational view.

The ornamental design for a sewing machine casing, as shown anddescribed.